Re: [Talk-GB] Large swaths of "heath" on Dartmoor

2017-09-25 Thread Elizabeth Oldham

On 25/09/17 17:13, ael wrote:


Well, surely this make the tag so general as to be pretty useless. The
original meaning was pretty specific and useful. "Moor" or something
equivalant is well understood (in the UK, at least) and is useful as
a broad description where detailed mapping is absent.

Anyway, I take it that no one is objecting to my changes and wanting to
revert them?


No objection here. Descriptive word is moor, everyone and his dog 
recognises it for what it is. The use of heath to describe moors is 
simply bizarre. IMHO/YYMV.


Beth

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Re: [Talk-GB] Rendering national/regional walking trails

2017-04-23 Thread Elizabeth Oldham

On 23/04/17 09:55, Andy Townsend wrote:


I may have got hold of completely the wrong end of the stick here, but
assuming I understand the question properly, I think you're asking how
two names appear for trails at e.g.
https://map.atownsend.org.uk/maps/map/map.html#zoom=14=53.14563=-1.75507


It's not so much that two different names appear, and not overwrite one 
another. But for each relation you get multiple labels along the route. 
I'm getting very few labels on a particular route.


You can see my example here, where I've got the Cumbria Way.

http://openmaps.the-hug.net/?=330478.34705711|530841.03293706|7

I get 3 labels over the whole length. One near Carlisle, one between 
Skiddaw House and Mosedale, and another the other side of Coniston. Now 
this as it happens is using my own table imported from a shapefile.


However, the effect is the same when I do use the osm tables (I haven't 
made it live yet). I tried pulling out snippets of your ldpnwn specif 
code putting them into mine. But I still get only a few labels rendered. 
My stylesheet for rendering ldpnwn is similar to yours. So I'm kind of 
confused as to where the magic is that places multiple labels instead of 
just a few?


Thanks,
Beth

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Re: [Talk-GB] Rendering national/regional walking trails

2017-04-22 Thread Elizabeth Oldham

On 21/04/17 11:47, Andy Townsend wrote:


If you're using osm2pgsql to load a rendering database, then you could
probably use the lua tag transforms and do something with roles for
relations in there.  I've not done anything with relation roles myself,


It was an interesting exercise to play with it yesterday, but I 
concluded it's only useful if you want to play with the tags applied to 
the whole relation. Not just parts of the relation. So I could look at 
the role, and the tags associated with the members, but not actually 
change what is put into the database for only some of the route/relation.


Anyway. I noticed on your maps you have multiple ldpnwn labels along the 
routes, like the Cumbria Way, and Coast to Coast. I've been unable to 
get more than one or two labels. I've been searching but it's usually 
the other way around - you have too many labels and need to space them 
out. Is there a trick I'm missing?


Thanks
Beth


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Re: [Talk-GB] Rendering national/regional walking trails

2017-04-21 Thread Elizabeth Oldham

On 21/04/17 11:47, Andy Townsend wrote:


If you're using osm2pgsql to load a rendering database,


Yes, sorry, I should have said.


probably use the lua tag transforms and do something with roles for
relations in there.  I've not done anything with relation roles myself,
but
https://github.com/SomeoneElseOSM/SomeoneElse-style/blob/master/style.lua
is a lua tag transform I use and
https://github.com/SomeoneElseOSM/SomeoneElse-style/blob/master/style.lua#L2296
is the "relations" part of that, with "roles" as an array argument
passed in.  You could use that to add a "pseudo-tag" like I do with
"network=lwn" to get that to appear as a "highway", then render that as
per e.g.:
https://map.atownsend.org.uk/maps/map/map.html#zoom=14=54.38373=-1.51698


That looks useful. Thanks. I'll see if I can figure out what its doing.
Good map, BTW.

Beth

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[Talk-GB] Rendering national/regional walking trails

2017-04-21 Thread Elizabeth Oldham
I am trying to render the national and regional walking trails. These 
are done as relations, with tags like network=rwn so easy to pick out. 
When I render them I find there are alternative routes, as an example 
the Coast to Coast Walk splits into 3 at one point. Looking at the 
relation in josm I find they have a "role" of alternative, or main as 
appropriate.


However, I don't seem to be able to get at the "role", and there is 
nothing else which distinguishes main from alternative routes - so I can 
render them differently.


Have I missed anything obvious?

Thanks
Beth

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